<template>
  <h1>员工列表练习</h1>
  <input type="text" placeholder="请输入员工姓名" v-model="e.name">
  <input type="text" placeholder="请输入员工工资" v-model="e.salary">
  <input type="text" placeholder="请输入员工岗位" v-model="e.job">
  <button @click="add()">点我添加</button>
  <hr>
  <table border="1">
    <tr>
      <th>员工编号</th>
      <th>员工姓名</th>
      <th>员工工资</th>
      <th>员工岗位</th>
    </tr>
    <tr v-for="(emp, i) in arr">
      <td>{{i + 1}}</td>
      <td>{{emp.name}}</td>
      <td>{{emp.salary}}</td>
      <td>{{emp.job}}</td>
    </tr>
  </table>
</template>

<script setup>
  import {ref} from "vue";
  const e = ref({name: '', salary: '', job: ''});
  const arr = ref([]);
  const add = ()=>{
    //如果输入框有空值,则不允许新增
    if (e.value.name.trim()=='' || e.value.salary.trim()=='' || e.value.job.trim()==''){
      alert('请输入完整信息');
      return;
    }
    //每准备好一个员工数据,就存入arr数组中
    arr.value.push(e.value);
    //新增成功后,清空所有输入框
    e.value = {};
    //或者
    //e.value = {name: '', salary: '', job: ''};
  }
</script>

<style scoped>

</style>